Home / 409,004.75-613,433.25-142,841.39

Finding the Fourth Proportional to 409,004.75, 613,433.25 and 142,841.39

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Solution

The fourth proportional to 409,004.75, 613,433.25 and 142,841.39 is: 214,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,004.75 : 613,433.25 = 142,841.39 : x
  2. Step 2: Convert to fraction form
    409,004.75/613,433.25 = 142,841.39/x
  3. Step 3: Cross multiply
    409,004.75x = 613,433.25 × 142,841.39
  4. Step 4: Simplify right side
    409,004.75x = 87,623,655,035.05
  5. Step 5: Solve for x
    x = 87,623,655,035.05/409,004.75
  6. Step 6: Final answer
    x = 214,236.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.